./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ca73807de0c8f7d87fbb77e097710eeb5024a6fe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:35:46,800 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:35:46,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:35:46,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:35:46,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:35:46,807 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:35:46,808 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:35:46,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:35:46,810 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:35:46,811 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:35:46,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:35:46,812 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:35:46,812 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:35:46,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:35:46,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:35:46,815 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:35:46,815 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:35:46,817 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:35:46,818 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:35:46,819 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:35:46,820 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:35:46,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:35:46,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:35:46,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:35:46,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:35:46,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:35:46,824 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:35:46,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:35:46,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:35:46,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:35:46,827 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:35:46,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:35:46,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:35:46,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:35:46,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:35:46,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:35:46,829 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 13:35:46,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:35:46,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:35:46,842 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:35:46,842 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:35:46,842 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:35:46,842 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:35:46,842 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:35:46,843 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:35:46,843 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:35:46,843 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:35:46,843 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:35:46,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:35:46,843 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:35:46,843 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:35:46,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:35:46,844 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:35:46,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:35:46,844 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:35:46,844 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:35:46,844 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:35:46,844 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:35:46,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:35:46,845 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:35:46,845 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:35:46,845 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:35:46,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:35:46,845 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:35:46,845 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:35:46,846 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:35:46,846 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca73807de0c8f7d87fbb77e097710eeb5024a6fe [2018-11-28 13:35:46,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:35:46,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:35:46,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:35:46,880 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:35:46,881 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:35:46,881 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca_true-termination.c.i [2018-11-28 13:35:46,915 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/data/be97be7f7/19bff1e2e1f945d1814233544adc9431/FLAGb927418f4 [2018-11-28 13:35:47,284 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:35:47,285 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca_true-termination.c.i [2018-11-28 13:35:47,293 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/data/be97be7f7/19bff1e2e1f945d1814233544adc9431/FLAGb927418f4 [2018-11-28 13:35:47,676 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/data/be97be7f7/19bff1e2e1f945d1814233544adc9431 [2018-11-28 13:35:47,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:35:47,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:35:47,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:47,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:35:47,682 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:35:47,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:47" (1/1) ... [2018-11-28 13:35:47,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e9c67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:47, skipping insertion in model container [2018-11-28 13:35:47,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:47" (1/1) ... [2018-11-28 13:35:47,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:35:47,709 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:35:47,901 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:47,909 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:35:47,985 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:48,014 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:35:48,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48 WrapperNode [2018-11-28 13:35:48,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:48,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:48,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:35:48,015 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:35:48,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... [2018-11-28 13:35:48,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... [2018-11-28 13:35:48,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:48,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:35:48,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:35:48,044 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:35:48,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... [2018-11-28 13:35:48,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... [2018-11-28 13:35:48,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... [2018-11-28 13:35:48,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... [2018-11-28 13:35:48,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... [2018-11-28 13:35:48,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... [2018-11-28 13:35:48,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... [2018-11-28 13:35:48,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:35:48,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:35:48,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:35:48,062 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:35:48,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3d91695-c551-4907-af86-c889e423a5bd/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:35:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:35:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:35:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:35:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:35:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:35:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:35:48,205 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:35:48,205 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 13:35:48,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:48 BoogieIcfgContainer [2018-11-28 13:35:48,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:35:48,206 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:35:48,206 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:35:48,209 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:35:48,209 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:35:48,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:35:47" (1/3) ... [2018-11-28 13:35:48,210 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c975a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:35:48, skipping insertion in model container [2018-11-28 13:35:48,210 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:35:48,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:48" (2/3) ... [2018-11-28 13:35:48,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c975a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:35:48, skipping insertion in model container [2018-11-28 13:35:48,211 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:35:48,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:48" (3/3) ... [2018-11-28 13:35:48,212 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcpy_diffterm_alloca_true-termination.c.i [2018-11-28 13:35:48,244 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:35:48,244 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:35:48,244 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:35:48,244 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:35:48,245 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:35:48,245 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:35:48,245 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:35:48,245 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:35:48,245 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:35:48,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 13:35:48,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 13:35:48,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:35:48,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:35:48,277 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 13:35:48,277 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 13:35:48,277 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:35:48,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 13:35:48,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 13:35:48,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:35:48,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:35:48,278 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 13:35:48,278 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 13:35:48,283 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 4#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.alloc(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(49, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 6#L368-3true [2018-11-28 13:35:48,284 INFO L796 eck$LassoCheckResult]: Loop: 6#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(49 != cstrcpy_#t~mem207);havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; 6#L368-3true [2018-11-28 13:35:48,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:48,289 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-11-28 13:35:48,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:48,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:48,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:48,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:48,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:48,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2018-11-28 13:35:48,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:48,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:48,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:48,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:48,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:48,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2018-11-28 13:35:48,390 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:48,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:48,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:48,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:48,732 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2018-11-28 13:35:48,803 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:35:48,804 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:35:48,804 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:35:48,804 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:35:48,804 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:35:48,804 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:35:48,804 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:35:48,805 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:35:48,805 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy_diffterm_alloca_true-termination.c.i_Iteration1_Lasso [2018-11-28 13:35:48,805 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:35:48,805 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:35:48,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:48,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:48,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:48,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:48,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:48,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:48,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:48,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:48,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:49,037 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2018-11-28 13:35:49,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:49,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:49,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:49,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:49,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:49,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:35:49,455 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:35:49,459 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:35:49,461 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,462 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:35:49,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,464 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,466 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:35:49,466 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:35:49,468 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,468 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,469 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,469 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:35:49,469 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,469 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,469 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,470 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:35:49,470 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:35:49,471 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,473 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,473 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,474 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,474 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,476 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:35:49,476 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:35:49,479 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,479 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,480 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:35:49,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,481 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,481 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:35:49,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:35:49,482 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,483 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,483 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,483 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:35:49,484 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,484 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,484 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,484 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:35:49,485 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:35:49,485 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,486 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,486 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,486 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,486 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,488 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:35:49,488 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:35:49,491 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,491 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,492 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,492 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:35:49,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,492 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,493 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:35:49,493 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:35:49,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:35:49,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,495 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,495 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:35:49,495 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:35:49,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,497 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,497 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,497 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,497 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,498 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,500 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:35:49,500 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:35:49,514 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,514 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,514 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,515 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,517 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:35:49,517 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:35:49,523 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,524 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,524 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,524 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,525 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,525 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,527 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:35:49,527 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:35:49,549 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,549 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,550 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,550 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,550 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,550 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,551 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:35:49,551 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:35:49,553 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,554 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,554 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,554 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:35:49,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,555 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 13:35:49,555 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,555 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 13:35:49,555 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:35:49,558 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,558 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,559 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,559 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,559 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:35:49,559 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:35:49,561 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,562 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,562 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,562 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 13:35:49,562 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,563 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,566 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 13:35:49,566 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:35:49,581 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:35:49,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:35:49,582 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:35:49,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:35:49,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:35:49,582 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:35:49,587 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:35:49,588 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:35:49,640 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 13:35:49,659 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-28 13:35:49,660 INFO L444 ModelExtractionUtils]: 42 out of 49 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-28 13:35:49,661 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 13:35:49,662 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 13:35:49,663 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 13:35:49,663 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~src~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1) = -1*ULTIMATE.start_cstrcpy_~src~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 Supporting invariants [] [2018-11-28 13:35:49,705 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2018-11-28 13:35:49,711 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 13:35:49,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:49,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:35:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:49,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:35:49,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:35:49,807 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 13:35:49,808 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2018-11-28 13:35:49,845 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 6 states. [2018-11-28 13:35:49,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 13:35:49,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 13:35:49,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2018-11-28 13:35:49,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 13:35:49,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:35:49,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-28 13:35:49,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:35:49,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-28 13:35:49,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:35:49,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2018-11-28 13:35:49,854 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:35:49,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2018-11-28 13:35:49,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 13:35:49,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 13:35:49,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 13:35:49,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:35:49,858 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:35:49,858 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:35:49,858 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:35:49,858 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:35:49,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:35:49,858 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:35:49,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 13:35:49,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:35:49 BoogieIcfgContainer [2018-11-28 13:35:49,863 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:35:49,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:35:49,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:35:49,863 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:35:49,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:48" (3/4) ... [2018-11-28 13:35:49,866 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:35:49,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:35:49,866 INFO L168 Benchmark]: Toolchain (without parser) took 2188.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -202.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:49,867 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:49,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:49,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:49,868 INFO L168 Benchmark]: Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:49,868 INFO L168 Benchmark]: RCFGBuilder took 144.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:49,869 INFO L168 Benchmark]: BuchiAutomizer took 1656.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -58.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:49,869 INFO L168 Benchmark]: Witness Printer took 2.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:49,872 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 144.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1656.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -58.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * src + unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...